Conditional Probability
Two-Way Table
Tree Diagram
100
What is conditional probability
a measure of the probability of an event occurring given that another event has occurred.
100
What is a two-way table
A statistical table that shows the observed number or frequency for two variables.
100
What is a Tree Diagram
A diagram to display all the possible outcomes of an event.
200
A teacher gave the class two tests. 25% of the class passed both tests and 42% of the class passed the first test. What percent of those who passed the first test also passed the second test?
60%
200
What percent of Males like football
51%
200
How many outcomes are there
12
300
At Inman Middle School, the probability that a student takes Chorus and Spanish is 0.087. The probability that a student takes Chorus is 0.68. What is the probability that a student takes Spanish given that the student is taking Chorus?
13%
300
What percent of women prefer sports?
20%
300
What is the probability that you land a tails and roll an even number
3/12
400
The probability that it is Friday and that a student is absent is 0.03. Since there are 5 school days in a week, the probability that it is Friday is 0.2. What is the probability that a student is absent given that today is Friday?
15%
400
What percent of people like snowmobiles but not skateboards
16%
400
what is the probability that you land on heads and roll a three.
1/12